Quantum dynamical speedup for correlated initial states

被引：1
|
作者：
Gholizadeh, Alireza [1 ]
Hadipour, Maryam [1 ]
Haseli, Soroush [1 ,2 ]
Haddadi, Saeed [3 ]
Dolatkhah, Hazhir [4 ]
机构：
[1] Urmia Univ Technol, Fac Phys, Orumiyeh, Iran
[2] Inst Res Fundamental Sci IPM, Sch Phys, POB 19395-5531, Tehran, Iran
[3] Saeeds Quantum Informat Grp, POB 19395-0560, Tehran, Iran
[4] Slovak Acad Sci, Inst Phys, RCQI, Dubravska Cesta 9, Bratislava 84511, Slovakia
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 2023年 / 75卷 / 07期
关键词：
quantum speed limit; non-Markovianity; correlated initial state; quantum coherence; LIMIT;
D O I：
10.1088/1572-9494/acdce8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The maximal evolution speed of any quantum system can be expressed by the quantum speed limit time. In this paper, we consider a model in which the system has a correlation with the environment. The influence of the initial correlation between the system and environment on the quantum speed limit is investigated. It is shown that the appearance of non-Markovianity effects causes the speedup of quantum evolution. Moreover, we demonstrate the dependence of quantum dynamical speedup on the quantum coherence of the correlated initial state.
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页数：8
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